summaryrefslogtreecommitdiff
path: root/drivers/md/dm-cache-target.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-08 15:33:21 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-08 15:33:21 +0200
commitba1cb318dcbfc9754acda9656262aea97ebe77e6 (patch)
tree770fadb8b2c77da5d4dd9d33535b2d7adcdb02fd /drivers/md/dm-cache-target.c
parent8f523d6db7ed69f69720267af170c0719023f373 (diff)
parent0238df646e6224016a45505d2c111a24669ebe21 (diff)
Merge 4.19-rc7 into char-misc-next
We want the fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md/dm-cache-target.c')
-rw-r--r--drivers/md/dm-cache-target.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index a53413371725..e13d991e9fb5 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -3009,8 +3009,13 @@ static dm_cblock_t get_cache_dev_size(struct cache *cache)
static bool can_resize(struct cache *cache, dm_cblock_t new_size)
{
- if (from_cblock(new_size) > from_cblock(cache->cache_size))
- return true;
+ if (from_cblock(new_size) > from_cblock(cache->cache_size)) {
+ if (cache->sized) {
+ DMERR("%s: unable to extend cache due to missing cache table reload",
+ cache_device_name(cache));
+ return false;
+ }
+ }
/*
* We can't drop a dirty block when shrinking the cache.